Light bar



FIG. 1 is a perspective view of a light bar showing my new design;

FIG. 2 is a front view thereof, which mirrors the rear view thereof;

FIG. 3 is a left view thereof, which mirrors the right view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

CLAIM The ornamental design for a light bar, as shown.